Despite the large uncertainties in the knowledge of the four-quark condensate, the analysis of QCDSR, presented in [1]}, predict significant in medium-modifications to both the mass and the width of \(\rho \)  meson.
In more detail, it does not provide independent information on both nor a stringent relationship between the two properties but rather a broad corridor of allowed masses and widths of the meson and the density.
One should emphasize that in this analysis the spectral function of the \(\rho \)  was assumed to be a of Breit-Wigner type.
Furthermore, different scenarios for the estimation of the four quark condensate contribution have been worked out: (i) using aforementioned factorization scheme and modifications of the two-quark condensate according to the low density approximation, (ii) the factorization and the two-quark condensate modifications but only for the part with chirally odd terms and (iii) no modification in both types of terms.
All scenarios reveal significant modifications of the OPE value w.r.t. vacuum with the largest effect obtained for the case (ii).
In other words, QCDSR predict significant changes of mass and widths (or both at the same time).
As already pointed-out, only part of the effect can be attributed to the modification of the terms breaking \(\chi \) S.
This results provides a slightly different picture as compared to the earlier calculations of [2]}.
In the latter, a shift of the vector meson pole mass in medium was obtained along the suggestion made by Brown and Rho based on QCD scale invariance and predicting the scaling law  [3]}
\(\frac{M_V^*}{M_V}\sim \frac{f_{\pi }^*}{f_{\pi }}=\left(\frac{{\bar{q}q}^*}{{\bar{q}q}}\right)^{1/3}\,,\) 
